Rear Axle Oil Leak

border · Jul 3, 2014

jamesmartin said:
which is yours ,what age of vehicle

Defender 90, 1990, My axles are classis range rover, like the ones here.Replacing a Rear Hub - Land Rover Technical Archive - LR4x4 - The Land Rover Forum

jamesmartin · Jul 3, 2014

ftc3154 most likely if that axle is the same as yours ,fits in rear of stub axle

border · Jul 3, 2014

jamesmartin said:
ftc3154 most likely if that axle is the same as yours ,fits in rear of stub axle

Do you think I need the whole stub axle FTC3154 | Stub Axle Front Def Ds1 Rrc - Land Rover Part FTC3154

jamesmartin · Jul 3, 2014

no just seal ,unless stubs damaged were bearings seat

border · Jul 3, 2014

jamesmartin said:
no just seal ,unless stubs damaged were bearings seat

Thanks again Mate.
Will check to see if stub is damaged. but cant find the seal on its own, Im sure there was not one in when I was in last time.

border · Jul 5, 2014

OK Had another go today as I had a spare seal.
Done excactly the same, cleaned and greased bearings ect.
Think I need the full Stub Axle, attached photo of the one thats on now, the bar looks OK but the back is rusted to fook, will this be the cause of the leak???

Oldseadog · Jul 6, 2014

Your seal does not go anywhere near the rusty back.

It sit behind the bearing which sits against the back, shiny part of the shaft.

You don't need to change anything apart from the oil seal from what I can see from your pic.

jamesmartin · Jul 6, 2014

border said:
Do you think I need the whole stub axle FTC3154 | Stub Axle Front Def Ds1 Rrc - Land Rover Part FTC3154

yours is the earlier axle ftc3154 is not applicable to yours

border · Jul 6, 2014

Will see if it leaks again, fingers crossed it wont.
This is the seals that I have put in FTC4785R | Hub seal excactly the same as what was in when I got it.

jamesmartin · Jul 6, 2014

ftc4785 isnt an oil seal its a grease seal there is another method of stopping oil reaching hub bearings ,300 tdi use a seal in stub axle and machined surface of half shaft ,earlier outer seal in hub,or rtc3511 oil seal in inner hub

border · Jul 6, 2014

OK, FTC4785 was what was in originaly, when I bought the car, there was no leaks untill I had rear discs renewed then it started leaking, so changed seal for FTC4785.
Is this the wrong one?, Or should it be replaced for rtc3511 instead, or does rtc3511 go in aswell as FTC4785 ??
Thanks for your help.

jamesmartin · Jul 6, 2014

as i said ftc4785 is a grease seal it has no garter spring like rtc3511 oil seal ,originally oil was let into hub so they used rtc3511 to keep oil from leaving hub ,later grease was used in hubs and oil was resticted so it didnt enter wheel bearings so ftc4785 was fitted as it didnt need to keep oil in, yours has probably just had wrong seal fitted in the past,

border · Jul 6, 2014

jamesmartin said:
as i said ftc4785 is a grease seal it has no garter spring like rtc3511 oil seal ,originally oil was let into hub so they used rtc3511 to keep oil from leaving hub ,later grease was used in hubs and oil was resticted so it didnt enter wheel bearings so ftc4785 was fitted as it didnt need to keep oil in, yours has probably just had wrong seal fitted in the past,

OK Looks like in a week or so its going to start leaking again.
This time will change seal to rtc3511.
Thanks for your help Mate, Really Appreciated.

Rear Axle Oil Leak

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